Cash Flow (Tables)

3 Months Ended

Jul. 31, 2014

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosures Of Cash Flow Information

Supplemental disclosures of cash flow information:

	Three Months Ended
	July 31,
(in thousands)	2014		2013
Cash paid during the period for:
Interest	$	144	$	143
Income taxes	$	196	$	127